Market Overview
Home Prices in Grantham, NH
The median home value in Grantham, NH is $506,365 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 1.7% compared to a year ago and up 2.6% from two years prior.
Compared to the U.S. national median of $410,000, homes in Grantham are priced24% above average. Grantham is part of the Lebanon, NH-VT metro area.
Over the past five years, Grantham home values have risen by approximately43.3%, reflecting strong long-term appreciation in this market.
Price History
Grantham Home Price Trend
City Comparison
Grantham vs. National Median
At $506,365, homes in Grantham cost 24% above the national median of $410,000. Buyers in Grantham should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Grantham?
20% Down Payment
$101,273
on $506,365
Monthly P&I
$2,641/mo
30-yr @ 6.8%
Total Monthly Est.
~$3,354/mo
incl. taxes & insurance
Income Needed
$134,160
gross annual (30% rule)
10% Down Option
$50,637
+ PMI applies
Loan Amount (20% dn)
$405,092
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Grantham, NH?
The median home value in Grantham is $506,365 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 1.7% year-over-year.
How much have home prices changed in Grantham?
Over the past year, home values in Grantham have increased by 1.7%. Over five years, prices have risen approximately 43.3%.
How much do I need to earn to buy a home in Grantham?
To comfortably afford the median home price of $506,365 with a 20% down payment ($101,273) at today's rates (6.8%), you'd need a gross annual income of approximately $134,160. This assumes keeping total housing costs at or below 30% of gross income.
How does Grantham compare to the national average home price?
The national median home value is approximately $410,000. At $506,365, homes in Grantham are 24% above the national average.
What metro area is Grantham part of?
Grantham is part of the Lebanon, NH-VT metropolitan area. Home prices and market conditions can vary across the broader metro region.